ArticleNature physics2025
Cavity electrodynamics of van der Waals heterostructures.
Article in Nature physics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Coherent terahertz magnon-phonon three-wave mixing in a layered antiferromagnet.Nature communications · 2026Article
- Response Regimes in On-Chip THz Spectroscopy.ACS photonics · 2026Article
- Article
- Purcell enhancement of directional edge photocurrent in a van der Waals self-cavity.Nature communications · 2026Article
- On-Chip THz-TDS Platform for High-Sensitivity Analysis of Graphene and Thin-Film Conductors.Nano letters · 2026Article
- Cavity quantum electrodynamics control of quantum Hall stripes.Nature physics · 2026Article
- Tuning Fermi liquids with polaritonic cavities.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Sub-wavelength optical lattice in 2D materials.Science advances · 2025Article
- Electro-optic cavities for in-situ measurement of cavity fields.Light, science & applications · 2025Article
- Cavity electrodynamics of van der Waals heterostructures.Nature physics · 2025Article
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Authors and funding
24 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Van der Waals heterostructures host many-body quantum phenomena that are tunable in situ using electrostatic gates. Their constituent two-dimensional materials and gates can naturally form plasmonic self-cavities, confining light in standing waves of current density due to finite-size effects. The plasmonic resonances of typical graphite gates fall in the gigahertz to terahertz range, corresponding to the same microelectronvolt to millielectronvolt energy scale as the phenomena in van der Waals heterostructures that they electrically control. This raises the possibility that the built-in cavity modes of graphite gates are relevant for shaping the low-energy physics of these heterostructures. However, probing these cavity-coupled electrodynamics is challenging as devices are notably smaller than the diffraction limit at the relevant wavelengths. Here we report on the intrinsic cavity conductivity of gate-tunable graphene heterostructures. As the carrier density is tuned, we observe coupling and spectral weight transfer between graphene and graphite plasmonic cavity modes in the ultrastrong coupling regime. We present an analytical model to describe the results and provide general principles for cavity design. Our findings show that intrinsic cavity effects are important for understanding the low-energy electrodynamics of van der Waals heterostructures and open a pathway for useful functionality through cavity control.
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